/*
 * Copyright 2011 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef GrGLMtlAttachment_DEFINED
#define GrGLMtlAttachment_DEFINED

#include "include/gpu/gl/GrGLInterface.h"
#include "src/gpu/ganesh/GrAttachment.h"

class GrGLGpu;

class GrGLAttachment : public GrAttachment {
public:
    static sk_sp<GrGLAttachment> MakeStencil(GrGLGpu *gpu, SkISize dimensions, int sampleCnt, GrGLFormat format);

    static sk_sp<GrGLAttachment> MakeMSAA(GrGLGpu *gpu, SkISize dimensions, int sampleCnt, GrGLFormat format);

    static sk_sp<GrGLAttachment> MakeWrappedRenderBuffer(GrGpu *gpu, GrGLuint renderbufferID, SkISize dimensions,
        UsageFlags supportedUsages, int sampleCnt, GrGLFormat format)
    {
        return sk_sp<GrGLAttachment>(new GrGLAttachment(gpu, renderbufferID, dimensions, supportedUsages, sampleCnt,
            format,
            /* label= */ "MakeWrappedRenderBuffer"));
    }

    GrBackendFormat backendFormat() const override;

    GrGLuint renderbufferID() const
    {
        return fRenderbufferID;
    }

    GrGLFormat format() const
    {
        return fFormat;
    }

protected:
    // overrides of GrResource
    void onRelease() override;
    void onAbandon() override;
    void setMemoryBacking(SkTraceMemoryDump *traceMemoryDump, const SkString &dumpName) const override;

private:
    GrGLAttachment(GrGpu *gpu, GrGLuint renderbufferID, SkISize dimensions, UsageFlags supportedUsages, int sampleCnt,
        GrGLFormat format, std::string_view label)
        : GrAttachment(gpu, dimensions, supportedUsages, sampleCnt, skgpu::Mipmapped::kNo, GrProtected::kNo, label),
          fFormat(format),
          fRenderbufferID(renderbufferID)
    {
        SkASSERT(supportedUsages == UsageFlags::kStencilAttachment || supportedUsages == UsageFlags::kColorAttachment);
        this->registerWithCache(skgpu::Budgeted::kYes);
    }

    void onSetLabel() override;

    GrGLFormat fFormat;

    // may be zero for external SBs associated with external RTs
    // (we don't require the client to give us the id, just tell
    // us how many bits of stencil there are).
    GrGLuint fRenderbufferID;

    using INHERITED = GrAttachment;
};

#endif
